.head{
  height: 60px;
  width: 220px;
  line-height: 60px;
}
.head_image{
    position: relative;
    bottom: 3px;
    right: 7px;
    width: 60px;
    height: 60px;
    background:url("../images/qie.png") 20px 20px no-repeat;
    display: inline-block;
}
.head_font{
    height: 40px;
    right: 3px;
    position: relative;
    bottom: 9px;
    display: inline-block;
    vertical-align: inherit;
    font-size: 20px;
    color: #4ECDC4;
    font-family: 'Ruda', sans-serif;
}
.head_message{
    font-size: 20px;
    color: #4ECDC4;
    font-family: 'Ruda', sans-serif;
    position: relative;
    left: 1360px;
    right: 60px;
    bottom: 85px;
    display: inline-block;
}
.head_btn{
    font-size: 25px;
    position: absolute;
    display: inline-block;
    right: 35px;
    bottom: 12px;
}
.menu_nav{
    height: 300px;
}
.container{
    width: 160px;
    text-align: center;
    font-family: 'Ruda', sans-serif
}
.active a{
    background-color: #4ECDC4;
}
.nav{
    list-style: none;
    height: 200px;
}
.nav li{
    padding-bottom: 7px;
}
.nav li a{
    width: 160px;
    font-size: 16px;
    color: #aeb2bf;
}
.nav li a:hover{
    /*background-color: #337ab7;*/
    /*background-color: #4ECDC4;*/
    color:#FFF;
    font-weight: bold;
}
.down-menu{
    width: 140px;
}
.down-menu li{
    padding-bottom: 4px;
    padding-top: 7px;
    border-radius: 5px;
}
.down-menu li:hover{
    background-color: #4ECDC4;
}
.down-menu li a{
    font-size: 14px;
    list-style: none;
    text-decoration: none;
}
.down-menu_one{
    display:none;
}
.down-menu_two{
    display:none;
}
.down-menu_three{
    display:none;
}
.userDiv{
    width:1300px;
    height: 100%;
}
.table tr th{
    text-align: center;
    background-color: rgba(242, 242, 242, 1);
    color: #000000;
}
.table tr td{
    text-align: center;
}
.update_form{
    margin-top: 30px;
}
.add_form{
    margin-top: 30px;
}
.update_form{
    overflow: hidden;
}
.user_row{
    position: relative;
    bottom: 250px;
    left: 550px;
}
.user_row_one{
    position: relative;
    left: 35px;
}
.user_row_two{
    position: relative;
    bottom: 5px;
    left: 18px;
}
.main_number{
    text-align: center;
    margin: 0 auto;
    width: 1200px;
    height: 300px;
    position: relative;
    top: 80px;
}
.number{
    position: relative;
    left: 80px;
    float: left;
    width: 220px;
    height: 150px;
    margin-right: 40px;
}




